#2591A7#2591A7

#2591A7 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 60.8% C 0.098 H 215.0°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#2591A7
RGB	rgb(37, 145, 167)
HSL	hsl(190, 64%, 40%)
HSV	hsv(190, 78%, 65%)
CMYK	cmyk(77.8%, 13.2%, 0%, 34.5%)
CIE-LAB	lab(55.51, -21.86, -20.10)
CIE-LCH	lch(55.51, 29.70, 222.59°)
OKLab	oklab(60.78% -0.0801 -0.0561)
OKLCH	oklch(60.78% 0.098 215)
XYZ	xyz(17.8604, 23.4319, 40.1332)
Luminance	0.2343 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2591A7 #A73B25

analogous

#25A77C #2591A7 #2550A7

triadic

#2591A7 #A72591 #91A725

tetradic

#2591A7 #7C25A7 #A73B25 #50A725

square

#2591A7 #7C25A7 #A73B25 #50A725

split-complementary

#2591A7 #A72550 #A77C25

monochromatic

#0F3A43 #1A6575 #2591A7 #37B8D3 #69CADE

Accessibility & contrast

On white

3.69

#2591A7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#2591A7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2591A7

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2591A7	#FFFFFF	#000000	##000000
##2591A7	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#828CA8

Deuteranopia (green-blind)

#707FA7

Tritanopia (blue-blind)

#009998

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #2591a7;
/* rgb */ color: rgb(37, 145, 167);
/* oklch */ color: oklch(60.8% 0.098 215.0);

Tailwind

colors: {
  custom: {
    50: '#75b1c1',
    500: '#2591a7',
    950: '#000000',
  },
}

SCSS

$custom: #2591a7;
$custom-light: #75b1c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2591a7",
  "rgb": {
    "r": 37,
    "g": 145,
    "b": 167
  },
  "hsl": {
    "h": 190.154,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.60782,
    "c": 0.09779,
    "h": 215
  },
  "luminance": 0.23434
}

Semantic roles & 50–950 ramp

primary

#2591A7

secondary

#C47464

accent

#5D41E7

background

#F7FAFB

surface

#EEF5F7

border

#C9CFD0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #2591A7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →